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相关概念视频

Lytic Cycle of Bacteriophages01:30

Lytic Cycle of Bacteriophages

70.5K
Bacteriophages, also known as phages, are specialized viruses that infect bacteria. A key characteristic of phages is their distinctive “head-tail” morphology. A phage begins the infection process (i.e., lytic cycle) by attaching to the outside of a bacterial cell. Attachment is accomplished via proteins in the phage tail that bind to specific receptor proteins on the outer surface of the bacterium. The tail injects the phage’s DNA genome into the bacterial cytoplasm. In the...
70.5K
Lysogenic Cycle of Bacteriophages00:43

Lysogenic Cycle of Bacteriophages

62.0K
In contrast to the lytic cycle, phages infecting bacteria via the lysogenic cycle do not immediately kill their host cell. Instead, they combine their genome with the host genome, allowing the bacteria to replicate the phage DNA along with the bacterial genome. The incorporated copy of the phage genome is called the prophage. Some prophages can re-activate and enter the lytic cycle. This often occurs in response to a perturbation, such as DNA damage, but can also transpire in the absence of...
62.0K

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Development of an efficient genome editing system using recombinase-mediated cassette exchange in <i>E. coli</i> Nissle 1917 for large gene cluster integration and heterologous astaxanthin production.

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Heterologous production of epothilones in <i>Streptomyces albus</i> J1074 via promoter engineering of the biosynthetic gene cluster and precursor supply enhancement.

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相关实验视频

Updated: Jun 14, 2025

A Simple and Efficient Approach to Construct Mutant Vaccinia Virus Vectors
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A Simple and Efficient Approach to Construct Mutant Vaccinia Virus Vectors

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通过开发多重基因组工程方法来编程毒性菌体.

Hailin Zhang1,2, Ru Zhu1, Zhaofei Wang3

  • 1State Key Laboratory of Microbial Technology, Institute of Microbial Technology, Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, Shandong University, Qingdao, Shandong, China.

mBio
|May 23, 2025
PubMed
概括
此摘要是机器生成的。

我们开发了一种SMART方法,用于设计毒性细菌菌体 (菌体). 这种技术使多重基因组修改成为可能,从而创建定制菌体,有效地对抗细菌感染.

关键词:
基因组工程是基因组工程.体的底盘是体的底盘菌体工程是什么 菌体工程它们是重组组合的.有合成的菌体.

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The MultiBac Protein Complex Production Platform at the EMBL
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The MultiBac Protein Complex Production Platform at the EMBL

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Phage-Mediated Genetic Manipulation of the Lyme Disease Spirochete Borrelia burgdorferi
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Phage-Mediated Genetic Manipulation of the Lyme Disease Spirochete Borrelia burgdorferi

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相关实验视频

Last Updated: Jun 14, 2025

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A Simple and Efficient Approach to Construct Mutant Vaccinia Virus Vectors

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The MultiBac Protein Complex Production Platform at the EMBL
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Phage-Mediated Genetic Manipulation of the Lyme Disease Spirochete Borrelia burgdorferi
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Phage-Mediated Genetic Manipulation of the Lyme Disease Spirochete Borrelia burgdorferi

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科学领域:

  • 合成生物学 合成生物学
  • 微生物学 微生物学
  • 遗传学 遗传学 是一个

背景情况:

  • 病毒性细菌体 (菌体) 显示出对抗致病细菌的前景.
  • 由于快速溶解和有毒基因产物,工程毒素菌体基因组具有挑战性.

研究的目的:

  • 开发一种用于病毒性菌体多重基因组工程的方法.
  • 为了创建一个底盘菌体和合成菌体,增强了光学能力.

主要方法:

  • 开发了SMART (分割,修改,组装和重新启动) 方法.
  • 设计了T7E的工程师. 大肠杆菌菌体基因组通过分裂,修改,组装和重新启动.
  • 构建合成的T7菌体表达异质素.

主要成果:

  • 在T7菌体基因组中的8个位点成功删除了3.9kb,创建了一个底盘菌体.
  • 证明了外源基因在底盘菌体中的插入能力和表达.
  • 工程合成T7菌体,有效地溶解E. 大肠杆菌,S. 黄金色,以及S. 它们是 agalactiae.

结论:

  • 智能 (SMART) 方法有助于病毒性菌体的多重基因组工程.
  • 定制设计的菌体可以用于治疗应用,提高疗效和特异性.